Question

The man reason for making copper t most effective and popular intra uterine device

Answer 1

Copper t is most effective intrauterine device because it is being set by women in her uterus which covers the whole uterus and prevents the sperm to meet ovum.

Answer 2

it doesn't allow the sperm from male reproductive system in cervix and prevents fusion of male and female gamets more effectively. since it is considered as a most effective icud in female